Eschscholzia rhombipetala

Greene

Bull. Calif. Acad. Sci. 1: 71. 1885.

Conservation concernEndemic
Treatment appears in FNA Volume 3.

Plants annual, caulescent, erect, 5-30 cm, glabrous. Leaves basal and cauline; blade glabrous; ultimate lobes generally obtuse. Inflorescences cymose or 1-flowered; buds erect or nodding. Flowers: receptacle turbinate to obconic, distally translucent and somewhat swollen, more than 2 mm broad, cup without spreading free rim; calyx acute or acuminate, glabrous, sometimes glaucous; petals yellow, 3-15 mm. Capsules 4-7 cm. Seeds black, spheric, 1.3-1.8 mm, reticulate.


Phenology: Flowering spring (Mar–May).
Habitat: Fallow fields, open places
Elevation: 0-500 m

Discussion

Of conservation concern.

Originally known from seven sites in California, Eschscholzia rhombipetala had not been seen since the early 1970s before it was rediscovered in 1993 on the Carrizo Plain in San Luis Obispo County.

Selected References

None.

Lower Taxa

None.
... more about "Eschscholzia rhombipetala"
Greene +
palmate +  and subpalmate +
nodding +  and erect +
glaucous +  and glabrous +
acuminate +  and acute +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0-500 m +
sessile +, pedicellate +  and symmetric +
2-valved +  and capsular +
cylindric +
microscopic +
Fallow fields, open places +
1-flowered +  and cymose +
paniculate +  and racemose +
terminal +  and axillary +
sessile +, petiolate +  and simple +
cauline +  and basal +
1-2-locular or +  and incompletely completely multilocular +
distinct +
obovate +  and obcuneate +
2 times number of sepals +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Flowering spring (Mar–May). +
Bull. Calif. Acad. Sci. +
swollen +, turbinate +  and obconic +
clear orange +  and colorless +
carunculate +  and arillate +
spheric +
0.13 cm1.3 mm <br />0.0013 m <br /> (?) +  and 0.18 cm1.8 mm <br />0.0018 m <br /> (?) +
deciduous +
obovate +
Conservation concern +  and Endemic +
12 +  and many +
decumbent +, spreading +  and erect +
Eschscholzia rhombipetala +
Eschscholzia +
species +